a measure of the ability of a surface to reflect radiation, equal to the reflectance of a layer of material sufficiently thick for the reflectance not to depend on the thickness
2. Also called: reflectiveness
the quality or capability of being reflective
Examples of 'reflectivity' in a sentence
reflectivity
Albedo - not a word previously heard on the catwalks - is a measure of reflectivity.
Times, Sunday Times (2006)
It takes away their reflectivity, although also their transparency.
Times, Sunday Times (2013)
Mesh inserts increase ventilation and 360° reflectivity raises visibility and safety for night running.
The Sun (2012)
The centre-front zip has reflectivity for ventilation and visibility in low light.
The Sun (2011)
Alternatively, there are a couple of companies that can apply plastic films to glass to lower reflectivity.
Times, Sunday Times (2013)
It also boasts thermal reflectivity for bonus warmth and as well as a wicking waistband and gusset.
The Sun (2012)
With a zipped neck and plenty of reflectivity, it will help to keep you safe and the cold at bay.
The Sun (2013)
It's a perfect length with lots of reflectivity and there are three pockets for keys and money.
The Sun (2012)
Scientists are using them to observe algal blooms in the ocean and measure the solar reflectivity of the rainforest.
Times, Sunday Times (2014)
The planet's brilliance is partly because of its proximity, but also the brilliant reflectivity of its thick clouds.